<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml"
      xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity5">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
登录账号: <span sec:authentication="name"></span> <br>
<!-- 获取失败,500-->
<!--登录账号:<span sec:authentication="principal.username"></span><br>-->
凭证:<span sec:authentication="credentials"></span><br>
权限和角色:<span sec:authentication="authorities"></span><br>
客户端地址:<span sec:authentication="details.remoteAddress"></span><br>
sessionId:<span sec:authentication="details.sessionId"></span><br>

<br>
通过权限判断:
<button sec:authorize="hasAuthority('/insert')">新增</button>
<button sec:authorize="hasAuthority('/delete')">删除</button>
<button sec:authorize="hasAuthority('/update')">修改</button>
<button sec:authorize="hasAuthority('/select')">查看</button>
<br>
通过角色判断:
<button sec:authorize="hasRole('admin')">新增</button>
<button sec:authorize="hasRole('ROLE_admin')">删除</button>
<button sec:authorize="hasRole('cc')">修改</button>
<button sec:authorize="hasRole('dd')">查看</button>

</body>
</html>